/* This is a value we already sent. Don't allow it to be received again in
* order to avoid looping. */
if ((status == 0) && (time_sent >= ((uint64_t)vl->time)))
- return (0);
+ return 0;
- return (1);
+ return 1;
} /* }}} _Bool check_receive_okay */
static _Bool check_send_okay(const value_list_t *vl) /* {{{ */
int status;
if (network_config_forward)
- return (1);
+ return 1;
if (vl->meta == NULL)
- return (1);
+ return 1;
status = meta_data_get_boolean(vl->meta, "network:received", &received);
if (status == -ENOENT)
- return (1);
+ return 1;
else if (status != 0) {
ERROR("network plugin: check_send_okay: meta_data_get_boolean failed "
"with status %i.",
status);
- return (1);
+ return 1;
}
/* By default, only *send* value lists that were not *received* by the
* network plugin. */
- return (!received);
+ return !received;
} /* }}} _Bool check_send_okay */
static _Bool check_notify_received(const notification_t *n) /* {{{ */
for (notification_meta_t *ptr = n->meta; ptr != NULL; ptr = ptr->next)
if ((strcmp("network:received", ptr->name) == 0) &&
(ptr->type == NM_TYPE_BOOLEAN))
- return ((_Bool)ptr->nm_value.nm_boolean);
+ return (_Bool)ptr->nm_value.nm_boolean;
- return (0);
+ return 0;
} /* }}} _Bool check_notify_received */
static _Bool check_send_notify_okay(const notification_t *n) /* {{{ */
_Bool received = 0;
if (n->meta == NULL)
- return (1);
+ return 1;
received = check_notify_received(n);
/* By default, only *send* value lists that were not *received* by the
* network plugin. */
- return (!received);
+ return !received;
} /* }}} _Bool check_send_notify_okay */
static int network_dispatch_values(value_list_t *vl, /* {{{ */
if ((vl->time == 0) || (strlen(vl->host) == 0) || (strlen(vl->plugin) == 0) ||
(strlen(vl->type) == 0))
- return (-EINVAL);
+ return -EINVAL;
if (!check_receive_okay(vl)) {
#if COLLECT_DEBUG
name);
#endif
stats_values_not_dispatched++;
- return (0);
+ return 0;
}
assert(vl->meta == NULL);
vl->meta = meta_data_create();
if (vl->meta == NULL) {
ERROR("network plugin: meta_data_create failed.");
- return (-ENOMEM);
+ return -ENOMEM;
}
status = meta_data_add_boolean(vl->meta, "network:received", 1);
ERROR("network plugin: meta_data_add_boolean failed.");
meta_data_destroy(vl->meta);
vl->meta = NULL;
- return (status);
+ return status;
}
if (username != NULL) {
ERROR("network plugin: meta_data_add_string failed.");
meta_data_destroy(vl->meta);
vl->meta = NULL;
- return (status);
+ return status;
}
}
meta_data_destroy(vl->meta);
vl->meta = NULL;
- return (0);
+ return 0;
} /* }}} int network_dispatch_values */
static int network_dispatch_notification(notification_t *n) /* {{{ */
ERROR("network plugin: plugin_notification_meta_add_boolean failed.");
plugin_notification_meta_free(n->meta);
n->meta = NULL;
- return (status);
+ return status;
}
status = plugin_dispatch_notification(n);
plugin_notification_meta_free(n->meta);
n->meta = NULL;
- return (status);
+ return status;
} /* }}} int network_dispatch_notification */
#if HAVE_GCRYPT_H
* Because you can't know in a library whether another library has
* already initialized the library */
if (gcry_control(GCRYCTL_ANY_INITIALIZATION_P))
- return (0);
+ return 0;
/* http://www.gnupg.org/documentation/manuals/gcrypt/Multi_002dThreading.html
* To ensure thread-safety, it's important to set GCRYCTL_SET_THREAD_CBS
if (err) {
ERROR("network plugin: gcry_control (GCRYCTL_SET_THREAD_CBS) failed: %s",
gcry_strerror(err));
- return (-1);
+ return -1;
}
#endif
if (err) {
ERROR("network plugin: gcry_control (GCRYCTL_INIT_SECMEM) failed: %s",
gcry_strerror(err));
- return (-1);
+ return -1;
}
gcry_control(GCRYCTL_INITIALIZATION_FINISHED);
- return (0);
+ return 0;
} /* }}} int network_init_gcrypt */
static gcry_cipher_hd_t network_get_aes256_cypher(sockent_t *se, /* {{{ */
cyper_ptr = &se->data.server.cypher;
if (username == NULL)
- return (NULL);
+ return NULL;
secret = fbh_get(se->data.server.userdb, username);
if (secret == NULL)
- return (NULL);
+ return NULL;
gcry_md_hash_buffer(GCRY_MD_SHA256, password_hash, secret, strlen(secret));
ERROR("network plugin: gcry_cipher_open returned: %s",
gcry_strerror(err));
*cyper_ptr = NULL;
- return (NULL);
+ return NULL;
}
} else {
gcry_cipher_reset(*cyper_ptr);
gcry_strerror(err));
gcry_cipher_close(*cyper_ptr);
*cyper_ptr = NULL;
- return (NULL);
+ return NULL;
}
err = gcry_cipher_setiv(*cyper_ptr, iv, iv_size);
gcry_strerror(err));
gcry_cipher_close(*cyper_ptr);
*cyper_ptr = NULL;
- return (NULL);
+ return NULL;
}
- return (*cyper_ptr);
+ return *cyper_ptr;
} /* }}} int network_get_aes256_cypher */
#endif /* HAVE_GCRYPT_H */
(num_values * sizeof(uint8_t)) + (num_values * sizeof(value_t));
if (*ret_buffer_len < packet_len)
- return (-1);
+ return -1;
pkg_values_types = malloc(num_values * sizeof(*pkg_values_types));
if (pkg_values_types == NULL) {
ERROR("network plugin: write_part_values: malloc failed.");
- return (-1);
+ return -1;
}
pkg_values = malloc(num_values * sizeof(*pkg_values));
if (pkg_values == NULL) {
free(pkg_values_types);
ERROR("network plugin: write_part_values: malloc failed.");
- return (-1);
+ return -1;
}
pkg_ph.type = htons(TYPE_VALUES);
ERROR("network plugin: write_part_values: "
"Unknown data source type: %i",
ds->ds[i].type);
- return (-1);
+ return -1;
} /* switch (ds->ds[i].type) */
} /* for (num_values) */
free(pkg_values_types);
free(pkg_values);
- return (0);
+ return 0;
} /* int write_part_values */
static int write_part_number(char **ret_buffer, size_t *ret_buffer_len,
packet_len = sizeof(pkg_head) + sizeof(pkg_value);
if (*ret_buffer_len < packet_len)
- return (-1);
+ return -1;
pkg_head.type = htons(type);
pkg_head.length = htons(packet_len);
*ret_buffer = packet_ptr + packet_len;
*ret_buffer_len -= packet_len;
- return (0);
+ return 0;
} /* int write_part_number */
static int write_part_string(char **ret_buffer, size_t *ret_buffer_len,
buffer_len = 2 * sizeof(uint16_t) + str_len + 1;
if (*ret_buffer_len < buffer_len)
- return (-1);
+ return -1;
pkg_type = htons(type);
pkg_length = htons(buffer_len);
*ret_buffer = buffer + buffer_len;
*ret_buffer_len -= buffer_len;
- return (0);
+ return 0;
} /* int write_part_string */
static int parse_part_values(void **ret_buffer, size_t *ret_buffer_len,
NOTICE("network plugin: packet is too short: "
"buffer_len = %zu",
buffer_len);
- return (-1);
+ return -1;
}
memcpy((void *)&tmp16, buffer, sizeof(tmp16));
"Chunk of size %zu expected, "
"but buffer has only %zu bytes left.",
exp_size, buffer_len);
- return (-1);
+ return -1;
}
assert(pkg_numval <= ((buffer_len - 6) / 9));
WARNING("network plugin: parse_part_values: "
"Length and number of values "
"in the packet don't match.");
- return (-1);
+ return -1;
}
pkg_types = calloc(pkg_numval, sizeof(*pkg_types));
sfree(pkg_types);
sfree(pkg_values);
ERROR("network plugin: parse_part_values: calloc failed.");
- return (-1);
+ return -1;
}
memcpy(pkg_types, buffer, pkg_numval * sizeof(*pkg_types));
pkg_types[i]);
sfree(pkg_types);
sfree(pkg_values);
- return (-1);
+ return -1;
} /* switch (pkg_types[i]) */
}
sfree(pkg_types);
- return (0);
+ return 0;
} /* int parse_part_values */
static int parse_part_number(void **ret_buffer, size_t *ret_buffer_len,
"Chunk of size %zu expected, "
"but buffer has only %zu bytes left.",
exp_size, buffer_len);
- return (-1);
+ return -1;
}
memcpy((void *)&tmp16, buffer, sizeof(tmp16));
*ret_buffer = buffer;
*ret_buffer_len = buffer_len - pkg_length;
- return (0);
+ return 0;
} /* int parse_part_number */
static int parse_part_string(void **ret_buffer, size_t *ret_buffer_len,
size_t payload_size;
if (output_len == 0)
- return (EINVAL);
+ return EINVAL;
if (buffer_len < header_size) {
WARNING("network plugin: parse_part_string: "
"Chunk of at least size %zu expected, "
"but buffer has only %zu bytes left.",
header_size, buffer_len);
- return (-1);
+ return -1;
}
memcpy((void *)&tmp16, buffer, sizeof(tmp16));
"Chunk of size %" PRIu16 " received, "
"but buffer has only %zu bytes left.",
pkg_length, buffer_len);
- return (-1);
+ return -1;
}
/* Check that pkg_length is in the valid range */
"Header claims this packet is only %hu "
"bytes long.",
pkg_length);
- return (-1);
+ return -1;
}
/* Check that the package data fits into the output buffer.
"which is too small to hold the received "
"%zu byte string.",
output_len, payload_size);
- return (-1);
+ return -1;
}
/* All sanity checks successfull, let's copy the data over */
WARNING("network plugin: parse_part_string: "
"Received string does not end "
"with a NULL-byte.");
- return (-1);
+ return -1;
}
*ret_buffer = buffer;
*ret_buffer_len = buffer_len - pkg_length;
- return (0);
+ return 0;
} /* int parse_part_string */
/* Forward declaration: parse_part_sign_sha256 and parse_part_encr_aes256 call
buffer_len = *ret_buffer_len;
buffer_offset = 0;
- if (se->data.server.userdb == NULL) {
- c_complain(
- LOG_NOTICE, &complain_no_users,
- "network plugin: Received signed network packet but can't verify it "
- "because no user DB has been configured. Will accept it.");
- return (0);
- }
-
/* Check if the buffer has enough data for this structure. */
if (buffer_len <= PART_SIGNATURE_SHA256_SIZE)
- return (-ENOMEM);
+ return -ENOMEM;
/* Read type and length header */
BUFFER_READ(&pss.head.type, sizeof(pss.head.type));
if ((pss_head_length <= PART_SIGNATURE_SHA256_SIZE) ||
(pss_head_length > buffer_len)) {
ERROR("network plugin: HMAC-SHA-256 with invalid length received.");
- return (-1);
+ return -1;
+ }
+
+ if (se->data.server.userdb == NULL) {
+ c_complain(
+ LOG_NOTICE, &complain_no_users,
+ "network plugin: Received signed network packet but can't verify it "
+ "because no user DB has been configured. Will accept it.");
+
+ *ret_buffer = buffer + pss_head_length;
+ *ret_buffer_len -= pss_head_length;
+
+ return 0;
}
/* Copy the hash. */
username_len = pss_head_length - PART_SIGNATURE_SHA256_SIZE;
pss.username = malloc(username_len + 1);
if (pss.username == NULL)
- return (-ENOMEM);
+ return -ENOMEM;
/* Read the username */
BUFFER_READ(pss.username, username_len);
if (secret == NULL) {
ERROR("network plugin: Unknown user: %s", pss.username);
sfree(pss.username);
- return (-ENOENT);
+ return -ENOENT;
}
/* Create a hash device and check the HMAC */
gcry_strerror(err));
sfree(secret);
sfree(pss.username);
- return (-1);
+ return -1;
}
err = gcry_md_setkey(hd, secret, strlen(secret));
gcry_md_close(hd);
sfree(secret);
sfree(pss.username);
- return (-1);
+ return -1;
}
gcry_md_write(hd, buffer + PART_SIGNATURE_SHA256_SIZE,
gcry_md_close(hd);
sfree(secret);
sfree(pss.username);
- return (-1);
+ return -1;
}
memcpy(hash, hash_ptr, sizeof(hash));
*ret_buffer = buffer + buffer_len;
*ret_buffer_len = 0;
- return (0);
+ return 0;
} /* }}} int parse_part_sign_sha256 */
/* #endif HAVE_GCRYPT_H */
buffer_offset = 0;
if (buffer_size <= PART_SIGNATURE_SHA256_SIZE)
- return (-ENOMEM);
+ return -ENOMEM;
BUFFER_READ(&pss.head.type, sizeof(pss.head.type));
BUFFER_READ(&pss.head.length, sizeof(pss.head.length));
part_len = ntohs(pss.head.length);
if ((part_len <= PART_SIGNATURE_SHA256_SIZE) || (part_len > buffer_size))
- return (-EINVAL);
+ return -EINVAL;
if (warning_has_been_printed == 0) {
WARNING("network plugin: Received signed packet, but the network "
*ret_buffer = buffer + buffer_size;
*ret_buffer_size = 0;
- return (0);
+ return 0;
} /* }}} int parse_part_sign_sha256 */
#endif /* !HAVE_GCRYPT_H */
if (buffer_len <= PART_ENCRYPTION_AES256_SIZE) {
NOTICE("network plugin: parse_part_encr_aes256: "
"Discarding short packet.");
- return (-1);
+ return -1;
}
buffer_offset = 0;
if ((part_size <= PART_ENCRYPTION_AES256_SIZE) || (part_size > buffer_len)) {
NOTICE("network plugin: parse_part_encr_aes256: "
"Discarding part with invalid size.");
- return (-1);
+ return -1;
}
/* Read the username */
(username_len > (part_size - (PART_ENCRYPTION_AES256_SIZE + 1)))) {
NOTICE("network plugin: parse_part_encr_aes256: "
"Discarding part with invalid username length.");
- return (-1);
+ return -1;
}
assert(username_len > 0);
pea.username = malloc(username_len + 1);
if (pea.username == NULL)
- return (-ENOMEM);
+ return -ENOMEM;
BUFFER_READ(pea.username, username_len);
pea.username[username_len] = 0;
if (cypher == NULL) {
ERROR("network plugin: Failed to get cypher. Username: %s", pea.username);
sfree(pea.username);
- return (-1);
+ return -1;
}
payload_len = part_size - (PART_ENCRYPTION_AES256_SIZE + username_len);
part_size - buffer_offset,
/* in = */ NULL, /* in len = */ 0);
if (err != 0) {
- sfree(pea.username);
ERROR("network plugin: gcry_cipher_decrypt returned: %s. Username: %s",
gcry_strerror(err), pea.username);
- return (-1);
+ sfree(pea.username);
+ return -1;
}
/* Read the hash */
if (memcmp(hash, pea.hash, sizeof(hash)) != 0) {
ERROR("network plugin: Checksum mismatch. Username: %s", pea.username);
sfree(pea.username);
- return (-1);
+ return -1;
}
parse_packet(se, buffer + buffer_offset, payload_len, flags | PP_ENCRYPTED,
pea.username);
- /* XXX: Free pea.username?!? */
-
/* Update return values */
*ret_buffer = buffer + part_size;
*ret_buffer_len = buffer_len - part_size;
sfree(pea.username);
- return (0);
+ return 0;
} /* }}} int parse_part_encr_aes256 */
/* #endif HAVE_GCRYPT_H */
if ((ph_length <= PART_ENCRYPTION_AES256_SIZE) || (ph_length > buffer_size)) {
ERROR("network plugin: AES-256 encrypted part "
"with invalid length received.");
- return (-1);
+ return -1;
}
if (warning_has_been_printed == 0) {
*ret_buffer = (void *)(((char *)*ret_buffer) + ph_length);
*ret_buffer_size -= ph_length;
- return (0);
+ return 0;
} /* }}} int parse_part_encr_aes256 */
#endif /* !HAVE_GCRYPT_H */
WARNING("network plugin: parse_packet: Received truncated "
"packet, try increasing `MaxPacketSize'");
- return (status);
+ return status;
} /* }}} int parse_packet */
static void free_sockent_client(struct sockent_client *sec) /* {{{ */
assert(se->type == SOCKENT_TYPE_CLIENT);
if ((network_config_ttl < 1) || (network_config_ttl > 255))
- return (-1);
+ return -1;
if (ai->ai_family == AF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *)ai->ai_addr;
char errbuf[1024];
ERROR("network plugin: setsockopt (ipv4-ttl): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
} else if (ai->ai_family == AF_INET6) {
/* Useful example:
char errbuf[1024];
ERROR("network plugin: setsockopt(ipv6-ttl): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
}
- return (0);
+ return 0;
} /* int network_set_ttl */
static int network_set_interface(const sockent_t *se,
char errbuf[1024];
ERROR("network plugin: setsockopt (ipv4-multicast-if): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
} else if (ai->ai_family == AF_INET6) {
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)ai->ai_addr;
char errbuf[1024];
ERROR("network plugin: setsockopt (ipv6-multicast-if): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
}
char interface_name[IFNAMSIZ];
if (if_indextoname(se->interface, interface_name) == NULL)
- return (-1);
+ return -1;
DEBUG("network plugin: Binding socket to interface %s", interface_name);
char errbuf[1024];
ERROR("network plugin: setsockopt (bind-if): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
/* #endif HAVE_IF_INDEXTONAME && SO_BINDTODEVICE */
#endif
}
- return (0);
+ return 0;
} /* }}} network_set_interface */
static int network_bind_socket(int fd, const struct addrinfo *ai,
char errbuf[1024];
ERROR("network plugin: setsockopt (reuseaddr): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
DEBUG("fd = %i; calling `bind'", fd);
if (bind(fd, ai->ai_addr, ai->ai_addrlen) == -1) {
char errbuf[1024];
ERROR("bind: %s", sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
if (ai->ai_family == AF_INET) {
char errbuf[1024];
ERROR("network plugin: setsockopt (multicast-loop): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, sizeof(mreq)) ==
char errbuf[1024];
ERROR("network plugin: setsockopt (add-membership): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
} else if (ai->ai_family == AF_INET6) {
/* Useful example:
char errbuf[1024];
ERROR("network plugin: setsockopt (ipv6-multicast-loop): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
if (setsockopt(fd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq,
char errbuf[1024];
ERROR("network plugin: setsockopt (ipv6-add-membership): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
}
}
char interface_name[IFNAMSIZ];
if (if_indextoname(interface_idx, interface_name) == NULL)
- return (-1);
+ return -1;
DEBUG("fd = %i; Binding socket to interface %s", fd, interface_name);
char errbuf[1024];
ERROR("network plugin: setsockopt (bind-if): %s",
sstrerror(errno, errbuf, sizeof(errbuf)));
- return (-1);
+ return -1;
}
}
#endif /* HAVE_IF_INDEXTONAME && SO_BINDTODEVICE */
- return (0);
+ return 0;
} /* int network_bind_socket */
/* Initialize a sockent structure. `type' must be either `SOCKENT_TYPE_CLIENT'
sockent_t *se;
if ((type != SOCKENT_TYPE_CLIENT) && (type != SOCKENT_TYPE_SERVER))
- return (NULL);
+ return NULL;
se = calloc(1, sizeof(*se));
if (se == NULL)
- return (NULL);
+ return NULL;
se->type = type;
se->node = NULL;
#endif
}
- return (se);
+ return se;
} /* }}} sockent_t *sockent_create */
static int sockent_init_crypto(sockent_t *se) /* {{{ */
if (network_init_gcrypt() < 0) {
ERROR("network plugin: Cannot configure client socket with "
"security: Failed to initialize crypto library.");
- return (-1);
+ return -1;
}
if ((se->data.client.username == NULL) ||
ERROR("network plugin: Client socket with "
"security requested, but no "
"credentials are configured.");
- return (-1);
+ return -1;
}
gcry_md_hash_buffer(GCRY_MD_SHA256, se->data.client.password_hash,
se->data.client.password,
(se->data.server.auth_file == NULL)) {
ERROR("network plugin: Server socket with security requested, "
"but no \"AuthFile\" is configured.");
- return (-1);
+ return -1;
}
if (se->data.server.auth_file != NULL) {
if (network_init_gcrypt() < 0) {
ERROR("network plugin: Cannot configure server socket with security: "
"Failed to initialize crypto library.");
- return (-1);
+ return -1;
}
se->data.server.userdb = fbh_create(se->data.server.auth_file);
if (se->data.server.userdb == NULL) {
ERROR("network plugin: Reading password file \"%s\" failed.",
se->data.server.auth_file);
- return (-1);
+ return -1;
}
}
}
#endif /* }}} HAVE_GCRYPT_H */
- return (0);
+ return 0;
} /* }}} int sockent_init_crypto */
static int sockent_client_disconnect(sockent_t *se) /* {{{ */
struct sockent_client *client;
if ((se == NULL) || (se->type != SOCKENT_TYPE_CLIENT))
- return (EINVAL);
+ return EINVAL;
client = &se->data.client;
if (client->fd >= 0) /* connected */
sfree(client->addr);
client->addrlen = 0;
- return (0);
+ return 0;
} /* }}} int sockent_client_disconnect */
static int sockent_client_connect(sockent_t *se) /* {{{ */
cdtime_t now;
if ((se == NULL) || (se->type != SOCKENT_TYPE_CLIENT))
- return (EINVAL);
+ return EINVAL;
client = &se->data.client;
}
if (client->fd >= 0 && !reconnect) /* already connected and not stale*/
- return (0);
+ return 0;
struct addrinfo ai_hints = {.ai_family = AF_UNSPEC,
.ai_flags = AI_ADDRCONFIG,
LOG_ERR, &complaint, "network plugin: getaddrinfo (%s, %s) failed: %s",
(se->node == NULL) ? "(null)" : se->node,
(se->service == NULL) ? "(null)" : se->service, gai_strerror(status));
- return (-1);
+ return -1;
} else {
c_release(LOG_NOTICE, &complaint,
"network plugin: Successfully resolved \"%s\".", se->node);
freeaddrinfo(ai_list);
if (client->fd < 0)
- return (-1);
+ return -1;
if (client->resolve_interval > 0)
client->next_resolve_reconnect = now + client->resolve_interval;
- return (0);
+ return 0;
} /* }}} int sockent_client_connect */
/* Open the file descriptors for a initialized sockent structure. */
const char *service;
if (se == NULL)
- return (-1);
+ return -1;
assert(se->data.server.fd == NULL);
assert(se->data.server.fd_num == 0);
ERROR("network plugin: getaddrinfo (%s, %s) failed: %s",
(se->node == NULL) ? "(null)" : se->node,
(se->service == NULL) ? "(null)" : se->service, gai_strerror(status));
- return (-1);
+ return -1;
}
for (struct addrinfo *ai_ptr = ai_list; ai_ptr != NULL;
freeaddrinfo(ai_list);
if (se->data.server.fd_num == 0)
- return (-1);
- return (0);
+ return -1;
+ return 0;
} /* }}} int sockent_server_listen */
/* Add a sockent to the global list of sockets */
sockent_t *last_ptr;
if (se == NULL)
- return (-1);
+ return -1;
if (se->type == SOCKENT_TYPE_SERVER) {
struct pollfd *tmp;
sizeof(*tmp) * (listen_sockets_num + se->data.server.fd_num));
if (tmp == NULL) {
ERROR("network plugin: realloc failed.");
- return (-1);
+ return -1;
}
listen_sockets_pollfd = tmp;
tmp = listen_sockets_pollfd + listen_sockets_num;
if (listen_sockets == NULL) {
listen_sockets = se;
- return (0);
+ return 0;
}
last_ptr = listen_sockets;
} else /* if (se->type == SOCKENT_TYPE_CLIENT) */
{
if (sending_sockets == NULL) {
sending_sockets = se;
- return (0);
+ return 0;
}
last_ptr = sending_sockets;
}
last_ptr = last_ptr->next;
last_ptr->next = se;
- return (0);
+ return 0;
} /* }}} int sockent_add */
static void *dispatch_thread(void __attribute__((unused)) * arg) /* {{{ */
sfree(ent);
} /* while (42) */
- return (NULL);
+ return NULL;
} /* }}} void *dispatch_thread */
static int network_receive(void) /* {{{ */
pthread_mutex_unlock(&receive_list_lock);
}
- return (status);
+ return status;
} /* }}} int network_receive */
static void *receive_thread(void __attribute__((unused)) * arg) {
- return (network_receive() ? (void *)1 : (void *)0);
+ return network_receive() ? (void *)1 : (void *)0;
} /* void *receive_thread */
static void network_init_buffer(void) {
if (strcmp(vl_def->host, vl->host) != 0) {
if (write_part_string(&buffer, &buffer_size, TYPE_HOST, vl->host,
strlen(vl->host)) != 0)
- return (-1);
+ return -1;
sstrncpy(vl_def->host, vl->host, sizeof(vl_def->host));
}
if (vl_def->time != vl->time) {
if (write_part_number(&buffer, &buffer_size, TYPE_TIME_HR,
(uint64_t)vl->time))
- return (-1);
+ return -1;
vl_def->time = vl->time;
}
if (vl_def->interval != vl->interval) {
if (write_part_number(&buffer, &buffer_size, TYPE_INTERVAL_HR,
(uint64_t)vl->interval))
- return (-1);
+ return -1;
vl_def->interval = vl->interval;
}
if (strcmp(vl_def->plugin, vl->plugin) != 0) {
if (write_part_string(&buffer, &buffer_size, TYPE_PLUGIN, vl->plugin,
strlen(vl->plugin)) != 0)
- return (-1);
+ return -1;
sstrncpy(vl_def->plugin, vl->plugin, sizeof(vl_def->plugin));
}
if (write_part_string(&buffer, &buffer_size, TYPE_PLUGIN_INSTANCE,
vl->plugin_instance,
strlen(vl->plugin_instance)) != 0)
- return (-1);
+ return -1;
sstrncpy(vl_def->plugin_instance, vl->plugin_instance,
sizeof(vl_def->plugin_instance));
}
if (strcmp(vl_def->type, vl->type) != 0) {
if (write_part_string(&buffer, &buffer_size, TYPE_TYPE, vl->type,
strlen(vl->type)) != 0)
- return (-1);
+ return -1;
sstrncpy(vl_def->type, ds->type, sizeof(vl_def->type));
}
if (strcmp(vl_def->type_instance, vl->type_instance) != 0) {
if (write_part_string(&buffer, &buffer_size, TYPE_TYPE_INSTANCE,
vl->type_instance, strlen(vl->type_instance)) != 0)
- return (-1);
+ return -1;
sstrncpy(vl_def->type_instance, vl->type_instance,
sizeof(vl_def->type_instance));
}
if (write_part_values(&buffer, &buffer_size, ds, vl) != 0)
- return (-1);
+ return -1;
- return (buffer - buffer_orig);
+ return buffer - buffer_orig;
} /* }}} int add_to_buffer */
static void flush_buffer(void) {
pthread_mutex_lock(&stats_lock);
stats_values_not_sent++;
pthread_mutex_unlock(&stats_lock);
- return (0);
+ return 0;
}
uc_meta_data_add_unsigned_int(vl, "network:time_sent", (uint64_t)vl->time);
pthread_mutex_unlock(&send_buffer_lock);
- return ((status < 0) ? -1 : 0);
+ return (status < 0) ? -1 : 0;
} /* int network_write */
static int network_config_set_ttl(const oconfig_item_t *ci) /* {{{ */
int tmp = 0;
if (cf_util_get_int(ci, &tmp) != 0)
- return (-1);
+ return -1;
else if ((tmp > 0) && (tmp <= 255))
network_config_ttl = tmp;
else {
WARNING("network plugin: The `TimeToLive' must be between 1 and 255.");
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int network_config_set_ttl */
static int network_config_set_interface(const oconfig_item_t *ci, /* {{{ */
char if_name[256];
if (cf_util_get_string_buffer(ci, if_name, sizeof(if_name)) != 0)
- return (-1);
+ return -1;
*interface = if_nametoindex(if_name);
- return (0);
+ return 0;
} /* }}} int network_config_set_interface */
static int network_config_set_buffer_size(const oconfig_item_t *ci) /* {{{ */
int tmp = 0;
if (cf_util_get_int(ci, &tmp) != 0)
- return (-1);
+ return -1;
else if ((tmp >= 1024) && (tmp <= 65535))
network_config_packet_size = tmp;
else {
WARNING(
"network plugin: The `MaxPacketSize' must be between 1024 and 65535.");
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int network_config_set_buffer_size */
#if HAVE_GCRYPT_H
if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
WARNING("network plugin: The `SecurityLevel' config option needs exactly "
"one string argument.");
- return (-1);
+ return -1;
}
str = ci->values[0].value.string;
*retval = SECURITY_LEVEL_NONE;
else {
WARNING("network plugin: Unknown security level: %s.", str);
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int network_config_set_security_level */
#endif /* HAVE_GCRYPT_H */
ERROR("network plugin: The `%s' config option needs "
"one or two string arguments.",
ci->key);
- return (-1);
+ return -1;
}
se = sockent_create(SOCKENT_TYPE_SERVER);
if (se == NULL) {
ERROR("network plugin: sockent_create failed.");
- return (-1);
+ return -1;
}
se->node = strdup(ci->values[0].value.string);
"requested, but no AuthFile option was given. Cowardly refusing to "
"open this socket!");
sockent_destroy(se);
- return (-1);
+ return -1;
}
#endif /* HAVE_GCRYPT_H */
ERROR("network plugin: network_config_add_listen: sockent_init_crypto() "
"failed.");
sockent_destroy(se);
- return (-1);
+ return -1;
}
status = sockent_server_listen(se);
ERROR("network plugin: network_config_add_listen: sockent_server_listen "
"failed.");
sockent_destroy(se);
- return (-1);
+ return -1;
}
status = sockent_add(se);
if (status != 0) {
ERROR("network plugin: network_config_add_listen: sockent_add failed.");
sockent_destroy(se);
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int network_config_add_listen */
static int network_config_add_server(const oconfig_item_t *ci) /* {{{ */
ERROR("network plugin: The `%s' config option needs "
"one or two string arguments.",
ci->key);
- return (-1);
+ return -1;
}
se = sockent_create(SOCKENT_TYPE_CLIENT);
if (se == NULL) {
ERROR("network plugin: sockent_create failed.");
- return (-1);
+ return -1;
}
se->node = strdup(ci->values[0].value.string);
"requested, but no Username or Password option was given. "
"Cowardly refusing to open this socket!");
sockent_destroy(se);
- return (-1);
+ return -1;
}
#endif /* HAVE_GCRYPT_H */
ERROR("network plugin: network_config_add_server: sockent_init_crypto() "
"failed.");
sockent_destroy(se);
- return (-1);
+ return -1;
}
/* No call to sockent_client_connect() here -- it is called from
if (status != 0) {
ERROR("network plugin: network_config_add_server: sockent_add failed.");
sockent_destroy(se);
- return (-1);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int network_config_add_server */
static int network_config(oconfig_item_t *ci) /* {{{ */
}
}
- return (0);
+ return 0;
} /* }}} int network_config */
static int network_notification(const notification_t *n,
int status;
if (!check_send_notify_okay(n))
- return (0);
+ return 0;
memset(buffer, 0, sizeof(buffer));
status = write_part_number(&buffer_ptr, &buffer_free, TYPE_TIME_HR,
(uint64_t)n->time);
if (status != 0)
- return (-1);
+ return -1;
status = write_part_number(&buffer_ptr, &buffer_free, TYPE_SEVERITY,
(uint64_t)n->severity);
if (status != 0)
- return (-1);
+ return -1;
if (strlen(n->host) > 0) {
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_HOST, n->host,
strlen(n->host));
if (status != 0)
- return (-1);
+ return -1;
}
if (strlen(n->plugin) > 0) {
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_PLUGIN,
n->plugin, strlen(n->plugin));
if (status != 0)
- return (-1);
+ return -1;
}
if (strlen(n->plugin_instance) > 0) {
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_PLUGIN_INSTANCE,
n->plugin_instance, strlen(n->plugin_instance));
if (status != 0)
- return (-1);
+ return -1;
}
if (strlen(n->type) > 0) {
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_TYPE, n->type,
strlen(n->type));
if (status != 0)
- return (-1);
+ return -1;
}
if (strlen(n->type_instance) > 0) {
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_TYPE_INSTANCE,
n->type_instance, strlen(n->type_instance));
if (status != 0)
- return (-1);
+ return -1;
}
status = write_part_string(&buffer_ptr, &buffer_free, TYPE_MESSAGE,
n->message, strlen(n->message));
if (status != 0)
- return (-1);
+ return -1;
network_send_buffer(buffer, sizeof(buffer) - buffer_free);
- return (0);
+ return 0;
} /* int network_notification */
static int network_shutdown(void) {
plugin_unregister_write("network");
plugin_unregister_shutdown("network");
- return (0);
+ return 0;
} /* int network_shutdown */
static int network_stats_read(void) /* {{{ */
vl.type_instance[0] = 0;
plugin_dispatch_values(&vl);
- return (0);
+ return 0;
} /* }}} int network_stats_read */
static int network_init(void) {
/* Check if we were already initialized. If so, just return - there's
* nothing more to do (for now, that is). */
if (have_init)
- return (0);
+ return 0;
have_init = 1;
if (network_config_stats)
send_buffer = malloc(network_config_packet_size);
if (send_buffer == NULL) {
ERROR("network plugin: malloc failed.");
- return (-1);
+ return -1;
}
network_init_buffer();
/* If no threads need to be started, return here. */
if ((listen_sockets_num == 0) ||
((dispatch_thread_running != 0) && (receive_thread_running != 0)))
- return (0);
+ return 0;
if (dispatch_thread_running == 0) {
int status;
}
}
- return (0);
+ return 0;
} /* int network_init */
/*
cdtime_t now = cdtime();
if ((send_buffer_last_update + timeout) > now) {
pthread_mutex_unlock(&send_buffer_lock);
- return (0);
+ return 0;
}
}
flush_buffer();
}
pthread_mutex_unlock(&send_buffer_lock);
- return (0);
+ return 0;
} /* int network_flush */
void module_register(void) {
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